{"id":52877,"date":"2024-12-03T09:40:23","date_gmt":"2024-12-03T01:40:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52877\/"},"modified":"2024-12-03T09:40:23","modified_gmt":"2024-12-03T01:40:23","slug":"js-%e4%b8%ad%e7%9a%84-css%ef%bc%9a%e6%a0%b7%e5%bc%8f%e7%bb%84%e4%bb%b6%e3%80%81%e6%83%85%e6%84%9f%e7%ad%89%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%ef%bc%8c%e4%bb%a5%e5%ae%9e%e7%8e%b0%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52877\/","title":{"rendered":"JS \u4e2d\u7684 CSS\uff1a\u6837\u5f0f\u7ec4\u4ef6\u3001\u60c5\u611f\u7b49\u7684\u5b8c\u6574\u6307\u5357\uff0c\u4ee5\u5b9e\u73b0\u66f4\u6e05\u6670\u548c\u53ef\u6269\u5c55\u7684\u6837\u5f0f"},"content":{"rendered":"

<\/b> <\/p>\n

JS \u4e2d\u7684 CSS\uff1a\u6837\u5f0f\u7ec4\u4ef6\u3001\u60c5\u611f\u7b49\u7684\u5b8c\u6574\u6307\u5357\uff0c\u4ee5\u5b9e\u73b0\u66f4\u6e05\u6670\u548c\u53ef\u6269\u5c55\u7684\u6837\u5f0f<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aJS \u4e2d\u7684 CSS\uff1a\u6837\u5f0f\u7ec4\u4ef6\u3001\u60c5\u611f\u7b49\u7684\u5b8c\u6574\u6307\u5357\uff0c\u4ee5\u5b9e\u73b0\u66f4\u6e05\u6670\u548c\u53ef\u6269\u5c55\u7684\u6837\u5f0f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

\"JS<\/p>\n

\u5982\u679c\u60a8\u66fe\u7ecf\u5904\u7406\u8fc7\u590d\u6742\u3001\u5e9e\u5927\u7684 CSS \u6587\u4ef6\uff0c\u6216\u8005\u5728\u5927\u578b\u9879\u76ee\u4e2d\u52aa\u529b\u4fdd\u6301\u6837\u5f0f\u6709\u5e8f\uff0c\u90a3\u4e48\u60a8\u4e00\u5b9a\u4f1a\u559c\u6b22 JS \u4e2d\u7684 CSS\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728 JavaScript \u4e2d\u7f16\u5199 CSS\uff0c\u8fd9\u4f7f\u5f97\u6837\u5f0f\u6a21\u5757\u5316\u4e14\u7075\u6d3b\uff0c\u4f7f\u5176\u5b8c\u7f8e\u9002\u5408 React \u7b49\u57fa\u4e8e\u7ec4\u4ef6\u7684\u6846\u67b6\u3002 <\/p>\n

\u6211\u4eec\u5c06\u6df1\u5165\u7814\u7a76\u4e24\u4e2a\u6700\u6d41\u884c\u7684 CSS-in-JS \u5e93\uff1aStyled-Components \u548c Emotion\uff0c\u5e76\u4e3a\u60a8\u63d0\u4f9b\u4e00\u4e9b\u5982\u4f55\u6709\u6548\u4f7f\u7528\u5b83\u4eec\u7684\u5b9e\u7528\u6280\u5de7\u3002<\/p>\n

\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u8fd9\u4e2a\u5de5\u5177\u5982\u4f55\u5728\u4e0d\u727a\u7272\u5e72\u51c0\u3001\u53ef\u7ef4\u62a4\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u6539\u53d8\u60a8\u7684\u6837\u5f0f\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u9009\u62e9 CSS-in-JS\uff1f<\/strong>
JS \u4e2d\u7684 CSS \u6d41\u884c\u7684\u539f\u56e0\u4e4b\u4e00\u662f\u5b83\u89e3\u51b3\u4e86\u73b0\u4ee3 Web \u5f00\u53d1\u4e2d\u6700\u5927\u7684\u6311\u6218\u4e4b\u4e00\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u6784\u5efa\u5927\u578b\u5e94\u7528\u7a0b\u5e8f\u7684\u56e2\u961f\u800c\u8a00\u3002\u901a\u8fc7\u5728 JavaScript \u4e2d\u79fb\u52a8\u6837\u5f0f\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u4ee5\u4e0b\u76ee\u6807\uff1a<\/p>\n

\u4f5c\u7528\u57df\u6837\u5f0f\uff1a\u4e0d\u518d\u6709\u7c7b\u540d\u51b2\u7a81\u3002\u6837\u5f0f\u9002\u7528\u4e8e\u6bcf\u4e2a\u7ec4\u4ef6\u3002<\/p>\n

\u52a8\u6001\u6837\u5f0f\uff1a\u4f7f\u7528 JavaScript \u903b\u8f91\uff0c\u66f4\u6539\u6709\u5173\u9053\u5177\u3001\u4e3b\u9898\u6216\u5e94\u7528\u7a0b\u5e8f\u72b6\u6001\u7684\u6837\u5f0f\u3002<\/p>\n

\u57fa\u4e8e\u7ec4\u4ef6\u7684\u5f00\u53d1\uff1aCSS-in-JS \u5e93\u81ea\u7136\u5730\u4e0e\u57fa\u4e8e\u7ec4\u4ef6\u7684\u6846\u67b6\uff08\u4f8b\u5982 React\u3001Vue \u548c Angular\uff09\u76f8\u7ed3\u5408\u3002\u8fd9\u4f7f\u60a8\u7684\u6837\u5f0f\u4fdd\u6301\u5c01\u88c5\u548c\u6a21\u5757\u5316\u3002<\/p>\n

\u6837\u5f0f\u7ec4\u4ef6\uff1a\u57fa\u7840\u77e5\u8bc6
Styled-Components \u53ef\u80fd\u662f CSS-in-JS \u751f\u6001\u7cfb\u7edf\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u5e93\u4e4b\u4e00\uff0c\u5b83\u975e\u5e38\u7b80\u5355\u5e76\u4e14\u6613\u4e8e\u4e0e React \u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n

\u5feb\u901f\u5165\u95e8<\/strong>
\u5b89\u88c5\u6837\u5f0f\u7ec4\u4ef6\uff1a
$ npm install styled-components
\u7136\u540e\u5c06\u5176\u5bfc\u5165\u5230\u60a8\u7684\u7ec4\u4ef6\u4e2d\uff1a
$ \u4ece ‘styled-components’ \u5bfc\u5165\u6837\u5f0f\uff1b<\/p>\n

\u6837\u5f0f\u7ec4\u4ef6\uff1a<\/p>\n

const Button = styled.button`
\u80cc\u666f\u989c\u8272\uff1a#6200ea;
\u989c\u8272\uff1a\u767d\u8272\uff1b
\u5185\u8fb9\u8ddd\uff1a10px 20px\uff1b
\u8fb9\u6846\u534a\u5f84\uff1a5px\uff1b
\u8fb9\u6846\uff1a\u65e0\uff1b
\u5149\u6807\uff1a\u6307\u9488\uff1b<\/p>\n

&:\u60ac\u505c{
\u80cc\u666f\u989c\u8272\uff1a#3700b3;
}
\u5728 JSX \u4e2d\u4f7f\u7528\u6837\u5f0f\u5316\u7ec4\u4ef6\uff1a<\/p>\n

\u70b9\u6211<\/p>\n

\u4e3b\u8981\u7279\u70b9\uff1a<\/strong>
\u4e3b\u9898\u5316\uff1a\u4f7f\u7528\u6837\u5f0f\u7ec4\u4ef6\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e3b\u9898\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u4e00\u81f4\u7684\u6837\u5f0f\u3002<\/p>\n

\u52a8\u6001\u6837\u5f0f\uff1a\u4eba\u4eec\u53ef\u80fd\u60f3\u8981\u66f4\u6539\u52a8\u6001\u6837\u5f0f\u7684\u65b9\u5f0f\u3002\u8fd9\u5c06\u4e0e props \u9f50\u5934\u5e76\u8fdb\uff0c\u521b\u5efa\u975e\u5e38\u7075\u6d3b\u4e14\u53ef\u91cd\u7528\u7684\u7ec4\u4ef6\u3002<\/p>\n

\u60c5\u611f\uff1a\u7075\u6d3b\u6027\u548c\u6027\u80fd<\/strong>
\u53e6\u4e00\u4e2a\u5f3a\u5927\u7684 CSS-in-JS \u5e93\u662f Emotion\uff0c\u5b83\u4ee5\u7075\u6d3b\u6027\u548c\u6027\u80fd\u800c\u95fb\u540d\u3002\u5b83\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u7684\u6837\u5f0f\u8bbe\u7f6e\u65b9\u5f0f\uff1a\u7528\u4e8e\u5185\u8054\u6837\u5f0f\u7684 css prop\uff0c\u4ee5\u53ca\u7528\u4e8e\u53ef\u91cd\u7528\u7ec4\u4ef6\u7684 styled\u3002<\/p>\n

\u5feb\u901f\u5165\u95e8<\/strong>
\u5b89\u88c5\u60c5\u611f\uff1a<\/p>\n

npm install @emotion\/react @emotion\/styled
\u5bfc\u5165\u548c\u4f7f\u7528\uff1a<\/p>\n

\u4ece\u201c@emotion\/styled\u201d\u5bfc\u5165\u6837\u5f0f\uff1b<\/p>\n

const Card = styled.div`
\u5185\u8fb9\u8ddd\uff1a20px\uff1b
\u76d2\u5b50\u9634\u5f71: 0 4px 8px rgba(0, 0, 0, 0.2);
\u8fb9\u6846\u534a\u5f84\uff1a8px\uff1b
\u80cc\u666f\u989c\u8272\uff1a\u767d\u8272\uff1b<\/p>\n

\u5bf9\u4e8e\u52a8\u6001\u5185\u8054\u6837\u5f0f\uff1a<\/p>\n

\u4ece ‘@emotion\/react’ \u5bfc\u5165 { css };<\/p>\n

constdynamicStyle = css`
\u989c\u8272\uff1a\u84dd\u8272\uff1b
\u5b57\u4f53\u5927\u5c0f\uff1a16px;<\/p>\n

\u4f60\u597d\uff0c\u60c5\u611f\uff01<\/p>\n

\u4e3b\u8981\u7279\u70b9\uff1a<\/strong>
\u5185\u8054\u548c\u53ef\u91cd\u7528\u6837\u5f0f\uff1a\u901a\u8fc7 Emotion \u7684 css \u548c\u6837\u5f0f API \u5b9e\u73b0\u66f4\u591a\u63a7\u5236\u3001\u66f4\u7075\u6d3b\u7684\u6837\u5f0f\u65b9\u6cd5\u3002<\/p>\n

\u670d\u52a1\u5668\u7aef\u6e32\u67d3\uff1aEmotion \u9488\u5bf9 SSR \u8fdb\u884c\u4e86\u9ad8\u5ea6\u4f18\u5316\uff0c\u56e0\u6b64\u5728\u9700\u8981\u51fa\u8272 SEO \u6027\u80fd\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u627e\u5230\u4e86\u5b8c\u7f8e\u7684\u7528\u4f8b\u3002<\/p>\n

CSS-in-JS \u7684\u6700\u4f73\u5b9e\u8df5<\/strong>
\u6709\u4e00\u4e9b\u6709\u6548\u4f7f\u7528 CSS-in-JS \u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5b83\u4eec\u6709\u52a9\u4e8e\u4fdd\u6301\u6027\u80fd\u5e76\u4fdd\u6301\u6837\u5f0f\u5e72\u51c0\uff1a<\/p>\n

\u907f\u514d\u592a\u591a\u5185\u8054\u52a8\u6001\u6837\u5f0f\uff1a\u5185\u8054\u6837\u5f0f\u975e\u5e38\u9002\u5408\u4e00\u6b21\u6027\u7ec6\u5fae\u8c03\u6574\u3002\u7136\u800c\uff0c\u592a\u591a\u4f1a\u9020\u6210\u6027\u80fd\u74f6\u9888\u3002\u76f8\u53cd\uff0c\u5e94\u7528\u6837\u5f0f\u7ec4\u4ef6\u4ee5\u5b9e\u73b0\u53ef\u91cd\u7528\u6837\u5f0f\uff0c\u5e76\u5c06\u5185\u8054\u6837\u5f0f\u9650\u5236\u5728\u771f\u6b63\u9700\u8981\u7684\u65f6\u5019\u3002<\/p>\n

\u5229\u7528\u4e3b\u9898\uff1a\u4f7f\u7528\u4e3b\u9898\u6765\u5f3a\u5236\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u7ed3\u6784\u548c\u5916\u89c2\u4fdd\u6301\u4e00\u81f4\u3002\u50cf Styled-Components \u548c Emotion \u8fd9\u6837\u7684\u5e93\u5141\u8bb8\u5b9a\u4e49\u4e00\u4e2a\u5168\u5c40\u4e3b\u9898\u3002\u8fd9\u5c06\u4f7f\u5728\u7ec4\u4ef6\u4e2d\u5e94\u7528\u54c1\u724c\u989c\u8272\u3001\u5b57\u4f53\u548c\u5176\u4ed6\u6837\u5f0f\u6807\u51c6\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n

\u4ece\u201c\u6837\u5f0f\u7ec4\u4ef6\u201d\u5bfc\u5165 { ThemeProvider };<\/p>\n

\u5e38\u91cf\u4e3b\u9898 = {
PrimaryColor: ‘#6200ea’,
\u5b57\u4f53\u5927\u5c0f\uff1a’16px’\uff0c
};<\/p>\n

\u9053\u5177\u9a71\u52a8\u6837\u5f0f\uff1a\u52a8\u6001\u9053\u5177\u5141\u8bb8\u60a8\u6839\u636e\u7ec4\u4ef6\u72b6\u6001\u751a\u81f3\u4f20\u5165\u6570\u636e\u66f4\u6539\u6837\u5f0f\u3002\u5728 Styled-Components \u548c Emotion \u4e2d\uff0cprops \u90fd\u4e3a\u4f60\u7684\u7ec4\u4ef6\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u5f0f\u6765\u6ee1\u8db3\u4e0d\u540c\u4f7f\u7528\u573a\u666f\u7684\u9700\u6c42\uff0c\u800c\u65e0\u9700\u91cd\u5199\u6837\u5f0f\u3002<\/p>\n

const Button = styled.button`
\u80cc\u666f\u989c\u8272: ${(props) => (props.primary ? ‘#6200ea’ : ‘#eee’)};
\u989c\u8272: ${(props) =>(props.primary ? ‘\u767d’ : ‘\u9ed1’)};<\/p>\n

\u4e3b\u6309\u94ae
\u8f85\u52a9\u6309\u94ae<\/p>\n

\u4ee3\u7801\u62c6\u5206\uff1a\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u60a8\u4e0d\u5c0f\u5fc3\uff0cCSS-in-JS \u5e93\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u5927\u7684\u5305\u3002\u5229\u7528\u4ee3\u7801\u5206\u5272\u7b49\u6280\u672f\uff0c\u4ec5\u52a0\u8f7d\u5e94\u7528\u7a0b\u5e8f\u6bcf\u4e2a\u90e8\u5206\u6240\u9700\u7684\u6837\u5f0f\uff0c\u4ee5\u83b7\u5f97\u826f\u597d\u7684\u6027\u80fd\u3002<\/p>\n

\u6837\u5f0f\u7ec4\u4ef6\u4e0e\u60c5\u611f
\u4f7f\u7528\u54ea\u4e00\u4e2a\uff1f\u4e24\u8005\u90fd\u662f\u4ee4\u4eba\u60ca\u53f9\u7684\u5e93\uff0c\u5e76\u4e14\u5404\u81ea\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5feb\u901f\u6bd4\u8f83\uff1a<\/p>\n

styled-components\uff1a\u6700\u9002\u5408\u9700\u8981\u4e3b\u9898\u548c\u6613\u7528\u6027\u7684 React \u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u88ab\u9ad8\u5ea6\u91c7\u7528\uff0c\u5e76\u4e14\u6709\u975e\u5e38\u597d\u7684\u6587\u6863\uff0c\u56e0\u6b64\u5bf9\u521d\u5b66\u8005\u5f88\u53cb\u597d\u3002<\/p>\n

\u60c5\u611f\uff1a\u66f4\u7075\u6d3b\u4e14\u6027\u80fd\u4f18\u5316\u3002\u5982\u679c\u60a8\u9700\u8981 SSR \u652f\u6301\u6216\u5bfb\u6c42\u4e00\u4e2a\u53ef\u4ee5\u4e3a\u60a8\u63d0\u4f9b\u5185\u8054\u548c\u53ef\u91cd\u7528\u6837\u5f0f\u9009\u9879\u7684\u5e93\uff0cEmotion \u5c06\u662f\u6700\u5408\u9002\u7684\u3002<\/p>\n

CSS-in-JS \u4ee3\u8868\u4e86\u4e00\u79cd\u5b9e\u73b0\u73b0\u4ee3 Web \u6837\u5f0f\u7684\u5f3a\u5927\u65b9\u6cd5\uff0c\u7279\u522b\u662f\u5982\u679c\u60a8\u662f\u4f7f\u7528\u7ec4\u4ef6\u9a71\u52a8\u6846\u67b6\u7684\u5f00\u53d1\u4eba\u5458\u3002\u501f\u52a9 Styled-Components \u548c Emotion \u7b49\u5e93\uff0c\u60a8\u53ef\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4fdd\u6301\u6837\u5f0f\u6a21\u5757\u5316\u3001\u52a8\u6001\u548c\u4e00\u81f4\u3002 <\/p>\n

\u901a\u8fc7\u5bc6\u5207\u5173\u6ce8\u6700\u4f73\u5b9e\u8df5\uff08\u8303\u56f4\u5185\u8054\u6837\u5f0f\u3001\u4e3b\u9898\u5229\u7528\u548c prop \u9a71\u52a8\u6837\u5f0f\uff09\uff0c\u60a8\u53ef\u4ee5\u5145\u5206\u5229\u7528 CSS-in-JS \u6765\u6e05\u7406\u548c\u6269\u5c55\u4ee3\u7801\u3002<\/p>\n

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